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Finding the Fourth Proportional to 556,933.84, 768,618.42 and 327,376.06

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Solution

The fourth proportional to 556,933.84, 768,618.42 and 327,376.06 is: 451,808.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,933.84 : 768,618.42 = 327,376.06 : x
  2. Step 2: Convert to fraction form
    556,933.84/768,618.42 = 327,376.06/x
  3. Step 3: Cross multiply
    556,933.84x = 768,618.42 × 327,376.06
  4. Step 4: Simplify right side
    556,933.84x = 251,627,269,983.03
  5. Step 5: Solve for x
    x = 251,627,269,983.03/556,933.84
  6. Step 6: Final answer
    x = 451,808.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.